<template>
    <div class="index-page">
      <div class="catalogs">
        <cataloge></cataloge>
      </div>
      <div class="memos">
        <menos></menos>
      </div>
      <div class="detail">
        <template v-if="cur_memoid">
          <cus-editor
            v-model="content"
            @update:modelValue="contentChange(cur_memoid, content)"
          >
            <!-- {{ content }} -->
            <input
              placeholder="输入标题"
              class="memo-title"
              v-model="title"
              @input="titleChange(cur_memoid, title)"
            />
          </cus-editor>
        </template>
      </div>
    </div>
  </template>
  
  <script setup lang="ts">
  import { ref, computed, watch, nextTick, onMounted } from "vue";
  import { indexStore } from "@/stores";
  import CusEditor from "@/components/CusEditor.vue";
  import Cataloge from "./Catalogs.vue";
  import Menos from "./Menos.vue";
  import { debounce } from "@/utils";
  const store = indexStore();
  const title = ref("");
  const content = ref("");
  const cur_memoid = computed(() => store.active_memoid);
  
  const titleChange = debounce((id: number, title: string) => {
    store.updateMemo(id, {
      title: title,
    });
  });
  
  const contentChange = debounce((id: number, ctx: string) => {
    console.log("触发修改事件：", content.value, ctx);
    store.updateMemo(id, {
      content: ctx,
    });
  });
  
  const updateCtx = () => {
    if (store.activeMemos) {
      // debugger;
      // 避免数据修改页面不更新
      nextTick(() => {
        // title.value = store.activeMemos.title;
        // content.value = store.activeMemos.content;
      });
    }
  };
  
  watch(cur_memoid, (val) => {
    if (val) {
      updateCtx();
    } else {
      title.value = content.value = "";
    }
  });
  onMounted(() => {
    updateCtx();
  });
  </script>
  
  <style lang="less">
  .index-page {
    display: flex;
    align-items: stretch;
    height: calc(100vh - 55px);
    .catalogs {
      width: 20%;
      background: #f9f9f9;
    }
    .memos {
      width: 25%;
      border-right: 1px solid #f0f3f5;
    }
    .detail {
      flex: 1;
      min-width: 300px;
      .memo-title {
        border: none;
        outline: none;
        font-size: 19px;
        margin: 20px 20px 0 20px;
        padding-bottom: 14px;
        width: calc(100% - 40px);
        border-bottom: 1px solid #f0f3f5;
        &::placeholder {
          color: #999;
        }
      }
    }
  }
  </style>
  